1- Resistance thermometer for building automation, machine construction and environmental engineering
RTD Thermometers
Different output signals

  • Pt 100 signal
  • 4...20 mA, temperature linear, analog
  • 4...20 mA, HART protocoll (on request)


Short response time

Models for intrinsic safe circuits available

High operational reliability

  • Long term stability
  • Maintanance free





Resistance thermometer

Model Type Possible applications
RTD Thermometers Air duct temperature sensor Air ducts
RTD Thermometers Average temperature sensor Air registers
Air ducts
Air shafts
Environmental protection
RTD Thermometers Pipeline temperature sensor Water pipes
Heating pipes
Sewage pipes
Mechanical engineering
RTD Thermometers Pipeline and air duct temperature sensor with exchangeable measuring inset Air ducts, water pipes, heating pipes, sewage pipes, mechanical engineering, environmental engineering
RTD Thermometers Pipeline and air duct temperature sensor Air ducts, water pipes, heating pipes, sewage pipes, mechanical engineering, environmental engineering
RTD Thermometers Pipeline and air duct temperature sensor with quick-release connector Air ducts, water pipes, heating pipes, sewage pipes, mechanical engineering, environmental engineering


Dimensions, wiring diagrams
RTD Thermometers


2- Resistance thermometers for the use in pipes, airducts and processing apparatus
Essential componentsRTD Thermometers

  • Rapid connection technology
  • Connection head type B
  • Optional head transmitter
  • Tough protection tube design
  • Adjust. compression fitting respectively sheet-metal flange

Technical features

  • High vibration resistance because of tough construction
  • Fast response
  • Connection head with degree of protection IP 67
  • Transmitter EMC to NAMUR recommendation NE 21
  • automatically pull relief

Applications

  • Chemical industry
  • Food and beverage industry
  • HVAC
  • Machinery industry


Technical data
RTD Thermometers

  • Resistance element : 1 x Pt 100
  • Standard tolerance : EN 60751, class B
  • Circuit type : 3-wire circuit
  • Measuring range : -40...200 °C
  • Protection tube :
    • Ø 8 x 2 mm,
    • material 1.4571 (AISI 316-TI)
  • Process connection:
    • Adjustable compression fitting,
    • G½“, 1/2“ NPT thread,
    • Material: galvanized steel, steel compression ring
    • Sheet-metal flange, chromised, diameter 90 mm
  • Nominal length : 50, 100, 150, 250, 400 mm
  • Connection head : Type B, degree of protection IP 67
  • Cable entry : Rapid connection technology
  • Response time
    • Water 4 s (T05, v = 0.4 m/s)
    • Air 60 s (T05, v = 3 m/s)


Technical data sensor head transmitter

  • Input
    • Pt 100 (EN 60751),
    • 3-wire circuit, fixed ranges
  • Output : 4...20 mA, temperature linear
  • Power supply : Us = 10.5...30 V DC, polarity safe
  • Climatic conditions
    • Ambient temperature : -40...85 °C
    • Relative humidity : ≤ 100 % (condensation possible)
  • Characteristics at rated conditions1)
    • Measurement deviation (upper-range value)
    • nominal value 0 °C: ≤ 0.15 % or 0.15 K
    • nominal value < or > 0 °C: ≤ 0.2 % or 0.2 K
    • Deviation of linearity : < 0.10 %
  • Electromagnetic compatibility : according to NAMUR NE 21
  • CE conform
  • Measuring range ot the sensor head transmitter
    • -30...+ 60 °C or
    • -20...+100 °C or
    • -40...+150 °C or
    • -40...+200 °C



3- Resistance thermometers with welded protection tube and measuring inset

4- Resistance thermometers for installation in a thermowell, with measuring inset